diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5565-drm-amdgpu-vcn-Add-SPG-mode-Register-XX-check.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5565-drm-amdgpu-vcn-Add-SPG-mode-Register-XX-check.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5565-drm-amdgpu-vcn-Add-SPG-mode-Register-XX-check.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5565-drm-amdgpu-vcn-Add-SPG-mode-Register-XX-check.patch new file mode 100644 index 00000000..d8c52134 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5565-drm-amdgpu-vcn-Add-SPG-mode-Register-XX-check.patch @@ -0,0 +1,32 @@ +From 0979c49841895490016e54d4f58ab9116fe171a6 Mon Sep 17 00:00:00 2001 +From: James Zhu <James.Zhu@amd.com> +Date: Tue, 9 Oct 2018 16:48:29 -0400 +Subject: [PATCH 5565/5725] drm/amdgpu/vcn:Add SPG mode Register XX check + +Add Static Power Gate mode Register XX check + +Signed-off-by: James Zhu <James.Zhu@amd.com> +Acked-by: Leo Liu <leo.liu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +index b8b2974..78860f4 100644 +--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +@@ -840,6 +840,10 @@ static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev) + + vcn_v1_0_mc_resume_spg_mode(adev); + ++ WREG32_SOC15(UVD, 0, mmUVD_REG_XX_MASK, 0x10); ++ WREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK, ++ RREG32_SOC15(UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK) | 0x3); ++ + /* take all subblocks out of reset, except VCPU */ + WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, + UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); +-- +2.7.4 + |